From 406159c1631fc04bd5c578b9d8ea72659c59fad4 Mon Sep 17 00:00:00 2001
From: Robbie Hanson <robbiehanson@deusty.com>
Date: Wed, 2 Nov 2011 12:55:40 -0700
Subject: [PATCH] Adding proper safety checks when printing xml.

---
 KissXML/DDXMLNode.m | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/KissXML/DDXMLNode.m b/KissXML/DDXMLNode.m
index 90fe7c15..a4e86b94 100644
--- a/KissXML/DDXMLNode.m
+++ b/KissXML/DDXMLNode.m
@@ -1065,11 +1065,18 @@ - (NSString *)XMLStringWithOptions:(NSUInteger)options
 		xmlIndentTreeOutput = 1;
 	}
 	
+	int dumpCnt;
+	
 	xmlBufferPtr bufferPtr = xmlBufferCreate();
 	if (IsXmlNsPtr(genericPtr))
-		xmlNodeDump(bufferPtr, NULL, (xmlNodePtr)genericPtr, 0, format);
+		dumpCnt = xmlNodeDump(bufferPtr, NULL, (xmlNodePtr)genericPtr, 0, format);
 	else
-		xmlNodeDump(bufferPtr, ((xmlStdPtr)genericPtr)->doc, (xmlNodePtr)genericPtr, 0, format);
+		dumpCnt = xmlNodeDump(bufferPtr, ((xmlStdPtr)genericPtr)->doc, (xmlNodePtr)genericPtr, 0, format);
+	
+	if (dumpCnt < 0)
+	{
+		return nil;
+	}
 	
 	if ([self kind] == DDXMLTextKind)
 	{